3-4 Upshift Occurs Before Completing 2-3 Upshift
WARNING: This page does not describe the selected car, but rather 11 other vehicles, including the 1996 Dodge Ram Wagon, 1996 Dodge Ram Van, 1996 Dodge Pickup, 1996 Dodge Dakota, and 1996 Dodge Cab & Chassis. However, it is still accessible from the selected car via links, so may be relevant.
Check for defective coolant temperature sensor or throttle position sensor, defective Powertrain Control Module (PCM), loose overdrive solenoid wiring connections or faulty wiring, overdrive solenoid faulty, valve body malfunction.